Get matched with top septic tank pros in Avalon, CA

Q: Can I add dirt over a septic field?

• <div><p>Adding a thin layer of dirt over a septic drain field is fine, especially if soil erosion has occurred. However, adding too much dirt can compact the soil, reducing the drain field&rsquo;s ability to absorb and filter wastewater properly. Avoid using heavy clay soil, as it can prevent proper drainage. Instead, use a light layer of topsoil and plant grass to help with soil stability. </p></div>

Q: What can ruin a septic tank?

• <div><p>Several things can ruin a septic tank over time, including dumping harsh chemicals (like bleach and ammonia), pesticides, and paint thinners down your drain because they can kill the bacteria in your septic tank. You should also make sure to only flush waste and toilet paper in your toilet&mdash;otherwise, you could clog your system.</p></div>

Q: Which septic system lasts the longest?

• <div><p>With proper maintenance, most types of septic systems&mdash;including mound, evapotranspiration, and constructed wetland systems&mdash;can last up to 40 years. To keep your system running as long as possible, follow basic septic tank upkeep guidelines, like <a href="https://www.angi.com/articles/clean-it-or-replace-it-why-septic-tank-pumping-crucial.htm">pumping your septic tank</a> every three to five years and only flushing human waste and toilet paper.</p></div>

Q: Why do mound systems fail?

• <div><p>Mound systems can fail if foreign objects are flushed into the septic tank, the septic tank is backed up with solid waste (sludge), if wastewater floods or seeps from the mound, or if any part of the system is clogged. To prevent this, only flush toilet paper and your normal &ldquo;business&rdquo; down toilets, and get a septic inspection at least yearly.</p></div>

Q: How much does it cost to replace or install a new septic tank?

• <div><p>The average cost to replace a septic tank or install a new system is typically around $7,350, with a broader average range of $5,000 to $12,000. However, total project costs can vary widely, from $5,000 to as much as $22,500. Key factors influencing the price include the size and type of the septic system, the tank material, and the size of your house.</p><p>It's important to distinguish between the cost of the tank itself and the cost of the entire system installation, which is significantly more. For the tank alone, costs vary by size:</p><ul><li><p>A tank for a one-bedroom house typically costs $500 to $900.</p></li><li><p>A 1,000-gallon tank, suitable for most one- to three-bedroom homes, costs between $900 and $1,500.</p></li><li><p>A tank for a five- or six-bedroom home generally costs $1,200 to $1,600.</p></li></ul></div>

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Verified Reviews for Septic Tank Service pros in Avalon, CA

*The Angi rating for Septic Tank Service companies in Avalon, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Septic Tank Service needs.

*The HomeAdvisor rating for Septic Tank Service companies in Avalon, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Septic Tank Service needs.

Last update on November 29, 2025

Reviewed in November 2025
Completed painting project faster than expected and was very thorough. Will recommend and refer to friends and family
Full Compass Painting
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Reviewed in September 2024
Zuck and his team were wonderful to work with for my roof replacement. He was very helpful throughout all steps of the process, with good and thorough communication.
Anytime Roofing, Inc.
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Reviewed in July 2018
We have owed a cottage in Avalon, Santa Catalina Island for many years. We were in the process of replacing the awnings on the cottage and sought a referral from you. You gave us several from which we selected Mauro Quintero to provide and install new awnings. The awnings are now installed and...
MQ Awnings
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Reviewed in August 2017
Great work. Professional people. Very happy with heir work.
Diaz Lopez Tile
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Reviewed in July 2015
Very courteous and provided some great advice on what had to be done. Will be using them again and again when the time comes.
Ismael & Friends Landscaping
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Reviewed in June 2013
He is a licensed contractor and does a really good job. There is lot of experience behind him. He has rebuilt our steps in our rental here. I know that he has rebuilt a really lovely house for parents of a friend of mine. He is very professional. He did a good job. He came and did the job...
Thompson's Construction
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Find Septic tank pros in Avalon

VeriTech Plumbing

5.0(

)

Septic System - Repair - For Business

Serving Avalon, CA and surrounding areas

Approved

In business since 2020

Free estimates

Emergency services offered

Top Rated Commercial Plumbing Services in Orange County, CA are essential for keeping businesses running smoothly, and our team delivers unmatched reliability and precision. At VeriTech Plumbing, we provide advanced diagnostics, efficient repairs, and long-lasting solutions tailored to commercial properties of all sizes, ensuring performance, safety, and consistent operational flow.\n

1 neighbors recently requested a quote

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McCormick Home Builders, Inc.

4.6(

)

Septic Tank - Clean or Pump OutSeptic Tank - Clean or Pump Out - For Business

Serving Avalon, CA and surrounding areas

Approved

In business since 2017

Free estimates

Customers say: True professional

"We decided to remodel our outdated bathroom, and McCormick Home Builders was a fantastic choice. Khaled and the team delivered high-quality work within the timeline and our budget. Every detail, from the tile work to the lighting, was beautifully done. They communicated well throughout, keeping us informed at every step, and the end result was truly a spa-like bathroom we can enjoy daily. We’d love to work with them again!"

Response time6 hrs

Recommended by18%of homeowners

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Home Pro Remodeling & Construction, Inc.

4.1(

)

Septic Tank - Clean or Pump OutSeptic Tank - Clean or Pump Out - For Business

Serving Avalon, CA and surrounding areas

Approved

In business since 2019

Free estimates

Credit card accepted

"I had my garden and bathroom remodel done. Albert and Samuel were professional, friendly, and a delight to work with. They're responsive and reliable. I also like the subcontractors whom they used on my project. They kept me informed of everything and I appreciate their excellent work."

Response time5 days

Recommended by77%of homeowners

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RSF Construction Inc.

1.0(

)

Septic Tank - Clean or Pump OutSeptic Tank - Clean or Pump Out - For Business

Serving Avalon, CA and surrounding areas

Approved

In business since 2019

Free estimates

Credit card accepted

RSF Construction Inc. is a leader in providing our customers with the highest quality service in an honest, efficient, and professional way. Our pledge is to create successful relationships with our customers, employees and community by building trust, treating every project with the utmost integrity and exceeding expectations. We look forward to working with you!

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The Drain Guys Plumbing and Rooter

4.7(

)

Septic System - Install or ReplaceSeptic System - Install or Replace - For BusinessSeptic System - Repair+3 more

Serving Avalon, CA and surrounding areas

In business since 2010

Free estimates

Emergency services offered

"It went very well. David the plumber who arrived to do the service was courteous, prompt and efficient. He had a pleasant demeanor and was extremely professional and nice."

Recommended by90%of homeowners

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Edrooter Sewer & Drain

3.6(

571

)

Septic System - Install or ReplaceSeptic System - Install or Replace - For BusinessSeptic System - Repair+3 more

Serving Avalon, CA and surrounding areas

In business since 2009

Free estimates

Emergency services offered

"They had to come out 4 times. The first water heater started leaking after 6 months. It was replaced. The second water heater also started leaking after 6 months. I contacted the manufacturer and they recommended a thermal expansion tank be installed. It was not installed the first or second time the water heaters were installed. I did have to pay a re installation fee. I picked up the 3rd water heater myself and they gave me natural gas water heater instead of propane. The fourth attempt they finally got it right and so far the water heater has worked after 7 months. The guy was very responsive as far as my calls and issues. He came out whenever I needed. Unfortunately, the entire experience was just a train wreck."

+16

Recommended by64%of homeowners

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Bob & Marc Plumbing Heating & Air

4.5(

104

)

Septic System - Install or ReplaceSeptic System - Install or Replace - For BusinessSeptic System - Repair+3 more

Serving Avalon, CA and surrounding areas

In business since 1989

"I called and setup an appointment for the afternoon. The dispatcher called back in an hour saying the plumber was free earlier and came immediately. He was there within an hour and gave me an estimate for the replacement and upgrade that I wanted. I agreed to the price and within 3 hours I had a new water heater. I can?t imagine where they could have done any better.
"

Recommended by89%of homeowners

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All Pro Plumbing, Heating, Air & Electrical

4.1(

)

Septic System - Install or ReplaceSeptic System - Install or Replace - For BusinessSeptic System - Repair+3 more

Serving Avalon, CA and surrounding areas

In business since 1991

Free estimates

Emergency services offered

"Great customer service, reasonable price and great warranty. They even cleaned up after the job was complete, better than it was. They also performed a safety check of my plumbing and air conditioner system, leaving recommendations accordingly!!"

Recommended by75%of homeowners

Septic System - Install or ReplaceSeptic System - Install or Replace - For BusinessSeptic System - Repair+3 more

Serving Avalon, CA and surrounding areas

In business since 2024

Free estimates

Emergency services offered

"Fixed the second floor shower drain from leaking. Really difficult to find a honest plumber, Leo the owner is a honest person. He fixed it without ripping out the shower. I would hire him again."

Recommended by100%of homeowners

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Pump Systems Unlimited Inc.

4.5(

)

Septic System - Install or ReplaceSeptic System - Install or Replace - For BusinessSeptic System - Repair+3 more

Serving Avalon, CA and surrounding areas

In business since 2004

Free estimates

Emergency services offered

"I used this company for three years. They knew what they're doing. They respond really quickly and everything went well. They work really good."

Recommended by100%of homeowners

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Showing 1-10 of 28

Septic Tanks questions, answered by experts

Adding a thin layer of dirt over a septic drain field is fine, especially if soil erosion has occurred. However, adding too much dirt can compact the soil, reducing the drain field’s ability to absorb and filter wastewater properly. Avoid using heavy clay soil, as it can prevent proper drainage. Instead, use a light layer of topsoil and plant grass to help with soil stability.

Several things can ruin a septic tank over time, including dumping harsh chemicals (like bleach and ammonia), pesticides, and paint thinners down your drain because they can kill the bacteria in your septic tank. You should also make sure to only flush waste and toilet paper in your toilet—otherwise, you could clog your system.

With proper maintenance, most types of septic systems—including mound, evapotranspiration, and constructed wetland systems—can last up to 40 years. To keep your system running as long as possible, follow basic septic tank upkeep guidelines, like pumping your septic tank every three to five years and only flushing human waste and toilet paper.

Mound systems can fail if foreign objects are flushed into the septic tank, the septic tank is backed up with solid waste (sludge), if wastewater floods or seeps from the mound, or if any part of the system is clogged. To prevent this, only flush toilet paper and your normal “business” down toilets, and get a septic inspection at least yearly.

The average cost to replace a septic tank or install a new system is typically around $7,350, with a broader average range of $5,000 to $12,000. However, total project costs can vary widely, from $5,000 to as much as $22,500. Key factors influencing the price include the size and type of the septic system, the tank material, and the size of your house.

It's important to distinguish between the cost of the tank itself and the cost of the entire system installation, which is significantly more. For the tank alone, costs vary by size:

A tank for a one-bedroom house typically costs $500 to $900.
A 1,000-gallon tank, suitable for most one- to three-bedroom homes, costs between $900 and $1,500.
A tank for a five- or six-bedroom home generally costs $1,200 to $1,600.

The Avalon, CA homeowners’ guide to septic tank services

From average costs to expert advice, get all the answers you need to get your job done.

See all articles

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•
Mar 18, 2026Mar 18, 2026
How Much Does Septic Tank Repair Cost? [2026 Data]
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How Much Does It Cost to Pump a Septic Tank? [2026 Data]
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What’s the Right Septic Tank Size for Me?
Septic tank sizes vary depending on the size of your home, how many people live there, how much water you use, and more. Read on to learn how to determine the right size for you.
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Are Septic Tanks Bad? Pros and Cons to Consider Before Moving Into a House With a Septic System
If you’ve never lived in a house with a septic system before, you might be wondering: Are septic tanks bad? Here are some of the pros and cons.
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•
Jul 9, 2026Jul 9, 2026
How to Build a Small Septic Tank for a Rural Property
Want to learn how to build a septic tank for your rural or off-grid property? First, check your local laws, then dive into these general guidelines.